/Engine/Source/Runtime/Engine/Public/ParticleHelper.h
Trails Base data payload
struct FTrailsBaseTypeDataPayload
uint32: 1
bInterpolatedSpawn
True if the particle is an interpolated spawn, false if true position based.
uint32: 1
bMovementSpawned
True if the particle was spawn via movement, false if not.
int32
Flags
TRAIL_EMITTER_FLAG_MASK 0xf0000000 TRAIL_EMITTER_PREV_MASK 0x0fffc000 TRAIL_EMITTER_PREV_SHIFT 14 TRAIL_EMITTER_NEXT_MASK 0x00003fff TRAIL_EMITTER_NEXT_SHIFT 0
float
PinchScaleFactor
The scale factor to use to shrink up in tight curves
int32
RenderingInterpCount
The number of points to interpolate between this particle and the next when rendering
float
SpawnDelta
The time slice when the particle was spawned
int32
SpawnedTessellationPoints
The tessellated spawn points between this particle and the next one
float
SpawnTime
The time that the particle was spawned
float
TiledU
The starting tiled U value for this particle
int32
TrailIndex
The trail index - valid in a START particle only
int32
TriangleCount
The number of triangles in the trail - valid in a START particle only